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Official Description

Drug(s) or substance(s), definitive, qualitative or quantitative, not otherwise specified; 1-3

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 80375 refers to a laboratory test that is conducted to definitively, qualitatively, or quantitatively measure drug(s) or substance(s) that are not otherwise specified. This code is specifically applicable when the testing involves 1 to 3 drugs or substances. The methodologies commonly employed for such testing include advanced techniques such as gas chromatography, liquid chromatography, and tandem mass spectrometry, either individually or in combination. These methods are essential for accurately identifying and quantifying the presence of drugs or substances in a patient sample. It is important to note that there are additional codes for testing different quantities of drugs; for instance, CPT® Code 80376 is designated for the testing of 4 to 6 drugs or compounds, while CPT® Code 80377 is used when 7 or more drugs or compounds are identified in a sample. This structured approach to coding ensures that healthcare providers can accurately report the specific laboratory services rendered, facilitating appropriate billing and reimbursement processes.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The CPT® Code 80375 is indicated for use in situations where there is a need to measure the presence of specific drugs or substances in a patient's system. This may include, but is not limited to, the following conditions:

  • Substance Abuse Evaluation Testing may be performed to assess potential substance abuse in patients, particularly in settings such as rehabilitation or pre-employment screenings.
  • Medication Monitoring This code is applicable for monitoring patients who are on prescribed medications to ensure therapeutic levels are maintained and to check for compliance.
  • Clinical Diagnosis The test may be utilized in the diagnostic process for conditions related to drug use, helping to confirm or rule out the presence of specific substances.

2. Procedure

The procedure associated with CPT® Code 80375 involves several key steps to ensure accurate testing of drug(s) or substance(s). Each step is critical for obtaining reliable results:

  • Sample Collection A biological sample, typically urine, blood, or saliva, is collected from the patient. The method of collection must adhere to standard protocols to prevent contamination and ensure the integrity of the sample.
  • Sample Preparation The collected sample undergoes preparation, which may include processes such as centrifugation or filtration, depending on the type of analysis being performed. This step is essential to isolate the substances of interest from other components in the sample.
  • Analytical Testing The prepared sample is then subjected to analytical testing using methodologies such as gas chromatography, liquid chromatography, or tandem mass spectrometry. These techniques allow for the definitive identification and quantification of the drugs or substances present in the sample.
  • Result Interpretation After testing, the results are interpreted by qualified laboratory personnel. The findings are then documented, indicating the presence and concentration of the tested drugs or substances.
  • Reporting Finally, the results are compiled into a report that is sent to the requesting healthcare provider. This report is crucial for making informed clinical decisions regarding patient care.

3. Post-Procedure

Post-procedure care following the testing associated with CPT® Code 80375 typically involves the interpretation of results by the healthcare provider. The provider will review the findings in the context of the patient's clinical history and current treatment plan. Depending on the results, further action may be required, such as adjustments to medication, additional testing, or referrals to specialists. It is also important for the provider to discuss the results with the patient, addressing any concerns and outlining the next steps in their care. No specific recovery time is associated with this laboratory test, as it is a non-invasive procedure; however, the implications of the results may lead to further clinical evaluations or interventions.

Short Descr DRUG/SUBSTANCE NOS 1-3
Medium Descr DRUG/SUBSTANCE DEFINITIVE QUAL/QUANT NOS 1-3
Long Descr Drug(s) or substance(s), definitive, qualitative or quantitative, not otherwise specified; 1-3
Status Code Not Valid for Medicare Purposes
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 9 - Not Applicable
Multiple Procedures (51) 9 - Concept does not apply.
Bilateral Surgery (50) 9 - Concept does not apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 9 - Concept does not apply.
Co-Surgeons (62) 9 - Concept does not apply.
Team Surgery (66) 9 - Concept does not apply.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Code Not Recognized by OPPS when submitted on Outpatient Hospital Part B Bill Type (12x/13x)
Type of Service (TOS) 5 - Diagnostic Laboratory
Berenson-Eggers TOS (BETOS) T2D - Other tests - other
MUE 1
90 Reference (outside) laboratory: when laboratory procedures are performed by a party other than the treating or reporting physician or other qualified health care professional, the procedure may be identified by adding modifier 90 to the usual procedure number.
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
Date
Action
Notes
2015-01-01 Added Added
Code
Description
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